Sezonun Devamlı Oyuncuları 6

1. 

   William Shatner

   James T. Kirk

2. 

   Leonard Nimoy

   Spock

3. 

   DeForest Kelley

   Dr. McCoy

4. 

   James Doohan

   Scott

5. 

   George Takei

   Sulu

6. 

   Nichelle Nichols

   Uhura

Konuk Yıldızlar 10

1. 

   Eddie Paskey

   Lt. Leslie (uncredited)

2. 

   Ted Cassidy

   Gorn (voice)

3. Sean Kenney

   DePaul

4. James Farley

   Lang

5. 

   Grant Woods

   Kelowitz

6. 

   Vic Perrin

   Metron (voice)

7. 

   Frank da Vinci

   Lt. Clifford Brent

8. 

   Ron Veto

   Harrison

9. Jerry Ayres

   Rizzo / O'Herlihy

10. Bobby Clark

    Gorn (stunts)

Ekip Kadrosu 9